CN110265914A - Electrification enters the compound equipotential device and method of cross-arm route of AC extra high voltage - Google Patents
Electrification enters the compound equipotential device and method of cross-arm route of AC extra high voltage Download PDFInfo
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- CN110265914A CN110265914A CN201910511540.9A CN201910511540A CN110265914A CN 110265914 A CN110265914 A CN 110265914A CN 201910511540 A CN201910511540 A CN 201910511540A CN 110265914 A CN110265914 A CN 110265914A
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- equipotential
- arm
- cross
- compound
- high voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Abstract
The present invention relates to a kind of electrifications to enter the compound equipotential device and method of cross-arm route of AC extra high voltage, the device includes auxiliary delivery vehicle and insulating bar, auxiliary delivery vehicle rides seat for equipotential live line work personnel for being installed on compound cross-arm, it assists delivery vehicle to be equipped with idler wheel to be used to roll along the axis direction of compound cross-arm, for promotion hanging point on auxiliary delivery vehicle for connecting with insulating bar, ground potential operator pushes auxiliary delivery vehicle that equipotential live line work personnel are pushed to enter equipotential at operation phase conductor position using insulating bar.Electrification provided by the invention enters the compound equipotential device and method of cross-arm route of AC extra high voltage, so that the compound cross-arm line live-line work personnel of AC extra high voltage have very high safety and convenience during entering equipotential, it ensure that the safety of the compound cross-arm line live-line work of AC extra high voltage carries out, improve the security and stability of the compound cross-arm route of AC extra high voltage.
Description
Technical field
The present invention relates to high voltage power transmission technical fields, enter the compound cross of AC extra high voltage more particularly, to a kind of electrification
Carry on a shoulder pole the equipotential device and method of route.
Background technique
Composite material is good due to having many advantages, such as lightweight, high-strength, corrosion-resistant, easy processing, designability and insulation performance,
It is one of the ideal material for building transmission tower structure.Composite material pole tower has saving steel, reduces tower head size and corridor
The advantage of width；Its portable construction, is transported and is assembled at low cost at easy processing molding；Its corrosion-resistant, high-low temperature resistant, intensity is big, quilt
Robber's possibility is small, and line upkeep is at low cost；It due to shaft tower Color tunable, nonhazardous, scraps rear recycling, enhances route
" environment friendly ".Composite material pole tower has positive effect in terms of construction cost and O&M, in recent years, in national grid public affairs
Under department leader, domestic transmission tower structure using increasing, and graduallys mature composite material.Has a plurality of tool at present
There is the route of composite material component shaft tower just in Construction and operation, and intends carrying out pilot application on extra-high voltage AC circuit.
It is compound using major diameter since the exchange compound cross-arm shaft tower of 1000kV uses composite material and new structure type
Insulator hangs conducting wire and bears working voltage, electrical, mechanical property, stability, structure design, O&M mode and conventional iron
Tower significant difference has new requirement to livewire work critical technical parameter, livewire work method.The compound cross-arm of AC extra high voltage
For route as a kind of novel line architecture mode (arrangement of conductor such as Fig. 1), pyramidal structure pattern, wire arrangements mode are equal
The extension of conventional carrier tool can not be provided due to not having the steel tower cross-arm of conventional tower different from regular alternating current extra high voltage line
Point can not pass in and out equipotential using hanging basket method, rope ladder method etc..It therefore must be special according to the compound cross-arm line construction of AC extra high voltage
Point design auxiliary tool, and propose safe and reliable into equipotential method.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of electrifications to enter the compound cross-arm route equipotential of AC extra high voltage
Device and method, the device and method make the compound cross-arm line live-line work personnel of AC extra high voltage enter equipotential process
In have very high safety and convenience.
According to the first aspect of the invention, a kind of charge is provided and enters the compound equipotential dress of cross-arm route of AC extra high voltage
It sets, including auxiliary delivery vehicle and insulating bar,
The auxiliary delivery vehicle includes the seat plate that seat is ridden for equipotential live line work personnel, and the rear portion of the seat plate, which is equipped with, to push away
The lower section of dynamic hanging point, the seat plate is equipped with roller, and the roller is rotatably set on the seat plate, the left and right sides of the seat plate
Footrest there are two being symmetrical arranged, is equipped with footrest connecting plate between the footrest and the seat plate, the footrest and the seat plate pass through
The footrest connecting plate connection；
Wherein, the front end of the insulating bar is equipped with hook, and the insulating bar is pushed away by the hook with described
Dynamic hanging point connection, and the auxiliary delivery vehicle is pushed to move on the top of compound cross-arm along the axis direction of compound cross-arm.
Preferably, the upper surface of the seat plate is equipped with the handgrip gripped for equipotential live line work personnel, and the handgrip is set to
The front of the upper surface of the seat plate.
Preferably, the circumference roll surface in the middle part of the roller be sunken arcs face, the radian in the sunken arcs face with it is compound
The raised radian of cross-arm matches.
Preferably, the roller below the seat plate is equipped with multiple, and multiple rollers are set side by side along the front-rear direction of seat plate
It sets.
Preferably, the distance between two described footrests are less than the diameter of the compound cross-arm.
According to the second aspect of the invention, a kind of charge is provided and enters the compound equipotential side of cross-arm route of AC extra high voltage
Method includes the following steps:
Step 1: the auxiliary that above-mentioned electrification enters in the compound equipotential device of cross-arm route of AC extra high voltage is delivered
Tool is installed on the compound cross-arm where to operation phase conductor；
Step 2: riding and being seated on auxiliary delivery vehicle, and according to pre- after equipotential live line work personnel carry out safety precautions
If speed is moved along the axis direction of compound cross-arm to operation phase conductor；
Step 3: equipotential live line work personnel stop movement when distance is at the first pre-determined distance of operation phase conductor, carry out
Equipotential operation, after continue to move into carry out operation at operation phase conductor.
Preferably, the step 1 includes:
Equipotential live line work personnel and ground potential operator climb to tower body again after good a full set of screening clothing is dressed on ground
The compound cross-arm position where to operation phase conductor；
Equipotential live line work personnel and/or ground potential operator will assist delivery vehicle to be installed on to where operation phase conductor
Compound cross-arm on.
Preferably, in the step 2, the safety precautions of equipotential live line work personnel are as follows: equipotential live line work personnel will after
Standby protection rope is fixedly connected on tower body, and personal anti-falling safe band is located on compound cross-arm.
Preferably, it in the step 3, when equipotential live line work personnel carry out equipotential operation, is contacted by electric potential transferring stick
Potential transfer is carried out to operation phase conductor, into equipotential.
Preferably, equipotential live line work personnel are during passing in and out equipotential, the distance of equipotential live line work personnel to tower body with
It is more than or equal to 7.0m to the sum of the distance to operation phase conductor.
The beneficial effects of the present invention are: the present invention, which provides a kind of charge, enters the compound cross-arm route equipotential of AC extra high voltage
Device and method, equipotential live line work personnel can safely and reliably be entered along compound cross-arm to operation phase by using the device
Conducting wire carries out operation, solves in cross-arm route compound for AC extra high voltage in the prior art due to not having the iron of conventional tower
Tower cross-arm, can not provide equipotential live line work personnel caused by the hanging point of conventional carrier tool can not safely enter conducting wire progress band
The problem of electric operation, has the compound cross-arm line live-line work personnel of AC extra high voltage during entering equipotential very high
Safety and convenience ensure that the safety of the compound cross-arm line live-line work of AC extra high voltage carries out, it is extra-high to improve exchange
Press the security and stability of compound cross-arm route.
Detailed description of the invention
By referring to the drawings to the description of the embodiment of the present invention, above-mentioned and other purposes of the invention, feature and
Advantage will be apparent from.
Fig. 1 shows the structural schematic diagram of the compound cross-arm multi-line power transmission shaft tower of AC extra high voltage.
The electrification that Fig. 2 and Fig. 3 are respectively provided according to embodiments of the present invention enters compound cross-arm route of AC extra high voltage etc.
Schematic perspective view of the delivery vehicle when different directions are observed is assisted in the device of current potential.
Fig. 4 shows the electrification provided according to embodiments of the present invention, and to enter the compound cross-arm route of AC extra high voltage equipotential
Schematic diagram when assisting delivery vehicle to be installed on compound cross-arm in device.
Fig. 5 shows the electrification provided according to embodiments of the present invention, and to enter the compound cross-arm route of AC extra high voltage equipotential
Device operates with schematic diagram.
In figure: tower body 1, auxiliary delivery vehicle 3, seat plate 31, handgrip 32, pushes hanging point 33, roller 34, steps on compound cross-arm 2
Foot 35, rib 351, footrest connecting plate 36, insulating bar 4, to operation phase conductor 5, equipotential live line work personnel 6, ground potential make
Industry personnel 7.
Specific embodiment
The various embodiments that the present invention will be described in more detail that hereinafter reference will be made to the drawings.In various figures, identical element
It is indicated using same or similar appended drawing reference.For the sake of clarity, the various pieces in attached drawing are not necessarily to scale.
It is a kind of electrification enter the compound equipotential device of cross-arm route of AC extra high voltage, including auxiliary delivery vehicle 3 and absolutely
Edge operating stick 4, referring to figs. 2 and 3, Fig. 2 and Fig. 3 are respectively the structural representation for assisting delivery vehicle when different directions are observed
Figure.Delivery vehicle 3 is assisted to include seat plate 31, push hanging point 33, roller 34 and footrest 35, seat plate 31 is used for equipotential live line work personnel
6 ride seat, and the rear portion of seat plate 31, which is equipped with, pushes hanging point 33, and the lower section of seat plate 31 is equipped with roller 34, and roller 34, which is rotatably connected, to be sat
On plate 31, the left and right sides of seat plate 31 is symmetrical arranged there are two footrest 35, and the outer side-lower of seat plate 31 is arranged in two footrests 35,
Footrest connecting plate 36 is equipped between footrest 35 and seat plate 31, footrest 35 is connect with seat plate 31 through footrest connecting plate 36.In order to make
Current potential operating personnel 6 rides comfort when seat, the junction progress round corner treatment of seat plate 31 and footrest connecting plate 36.In addition,
The outer ledge of footrest 35 is equipped with the rib 351 to raise upward, can prevent foot from skidding off footrest 35, improves equipotential live line work personnel
6 ride safety when seat.The upper surface of seat plate 31 is additionally provided with handgrip 32, and handgrip 32 is set to the front of the upper surface of seat plate 31, grabs
Hand 32 grips when riding on seat plate 31 for equipotential live line work personnel 6, improves safety when riding seat.In foregoing description
In, direction definition are as follows: equipotential live line work personnel ride when being seated on seat plate, before the direction that equipotential live line work personnel face is, on the contrary
Direction be after, equipotential live line work personnel's left-hand side be a left side, right-hand side be the right side.
Wherein, the front end of insulating bar 4 is equipped with hook, and insulating bar 4 is connect by the hook with hanging point 33 is pushed,
And push auxiliary delivery vehicle 3 the top of compound cross-arm 2 along compound cross-arm 2 axis direction to 5 direction of operation phase conductor
It is mobile.Referring to Fig. 5, Fig. 5 is to charge into the compound equipotential device of cross-arm route of AC extra high voltage to operate with schematic diagram.
Referring to Fig. 3, the center of the roller 34 of delivery vehicle 3 is assisted to be equipped with mandrel, it is default that the lower part of seat plate 31 is equipped with interval
The support plate of distance, roller 34 are connected in the support plate through the mandrel.The circumference roll surface at 34 middle part of roller is recessed circle
Cambered surface, the radian in sunken arcs face and the raised radian of compound cross-arm 2 match.This structure design of roller 34 can make to roll
Cylinder 34 and the contact area of compound cross-arm 2 greatly increase, and improve frictional force when contact, increase auxiliary delivery vehicle 3 multiple
Close the stability and safety when moving on cross-arm 2.
In order to further increase stability of the auxiliary delivery vehicle 3 when moving on compound cross-arm 2, delivery vehicle 3 is assisted
The roller 34 of the lower section of seat plate 31 be equipped with it is multiple, multiple rollers 34 are set side by side along the front-rear direction of seat plate 31.Roller 34 is set
Setting quantity can determine that the present embodiment does not do any restriction to this according to the actual situation.In the present embodiment, under seat plate 31
There are three rollers 34 for side's setting.
The outer surface of roller 34 is additionally provided with rubber layer, and the rubber layer of 34 outer surface of roller is capable of increasing roller 34 in compound cross
Frictional force when rolling in load 2 further increases safety of the auxiliary delivery vehicle 3 when moving on compound cross-arm 2.This implementation
In example, rubber layer is that the outer surface of roller 34 is coated on by way of vulcanizable cures.Further, the surface of rubber layer is also set
It is equipped with anti-skid chequer, can preferably increase frictional force of the roller 34 when rolling on compound cross-arm 2.
Referring to fig. 4, Fig. 4 is schematic diagram when delivery vehicle being assisted to be installed on compound cross-arm.Compound cross-arm 2 is whole in circle
Cylindricality, the surface of compound cross-arm 2 are equally distributed circumferential projection structures, and auxiliary delivery vehicle 3 relies primarily on cylindrical rolling
Cylinder 34 advances along compound 2 surface scrolls of cross-arm, and the diameter of roller 34 should be designed according to the structure of compound cross-arm 2, guarantees rolling
Cylinder 34 is smooth during rolling advance, while the distance between two footrests 35 are less than the diameter of compound cross-arm 2, as excellent
Choosing, when assisting delivery vehicle 3 to be installed on compound cross-arm 2, two footrests 35 and the outer surface of compound cross-arm 2 are tangent, can
Make that delivery vehicle 3 is assisted preferably to be moved on compound cross-arm 2.
Electrification enters the equipotential method of compound 2 route of cross-arm of AC extra high voltage and includes the following steps:
Step 1: above-mentioned electrification is entered the delivery work of the auxiliary in the compound equipotential device of cross-arm route of AC extra high voltage
Tool is installed on the compound cross-arm where to operation phase conductor.
Specifically, equipotential live line work personnel 6 and ground potential operator 7 dress good a full set of screening clothing on ground, in carrying
The electrification stated enters the equipotential tool of compound 2 route of cross-arm of AC extra high voltage, from ground climb to tower body 1 to operation phase
2 position of compound cross-arm where conducting wire 5.Equipotential live line work personnel 6 and/or ground potential operator 7 will assist delivery vehicle 3 to pacify
Loaded on to which on the compound cross-arm 2 where operation phase conductor 5, auxiliary delivery vehicle 3 is mounted on the top of compound cross-arm 2, auxiliary fortune
Load tool 3 pushes the one end at 33 place of hanging point towards tower body 1, and one end where handgrip 32 is towards to operation phase conductor 5.
Step 2: riding and being seated on auxiliary delivery vehicle, and according to pre- after equipotential live line work personnel carry out safety precautions
If speed is moved along the axis direction of compound cross-arm to operation phase conductor.
Specifically, the safety precautions of equipotential live line work personnel 6 are as follows: equipotential live line work personnel 6 are in 1 suitable position of tower body
Backup protection rope is fixed, and personal anti-falling safe band is located on compound cross-arm 2.Confirm that equipotential live line work personnel 6 pacify
After full guard measure is errorless, equipotential live line work personnel 6, which enter on compound cross-arm 2 and ride, to be seated on auxiliary delivery vehicle 3, and both hands are helped
Firmly handgrip 32, both feet are stepped in footrest 35.7 station of ground potential operator is mutually oriented to the compound of place to operation on tower body 1
2 position of cross-arm connects the hook of insulating bar 4 and the promotion hanging point 33 of auxiliary delivery vehicle 3, with equipotential live line work people
After 6 confirmation of member, ground potential operator 7 pushes auxiliary delivery vehicle 3 according to pre-set velocity along compound cross by insulating bar 4
To mobile at operation phase conductor 5, moving process remains a constant speed advance the axis direction of load 2 as far as possible, avoids too fast or anxious
Stop, to guarantee to ride the safety of the equipotential live line work personnel 6 of seat on auxiliary delivery vehicle 3.
Step 3: equipotential live line work personnel stop movement when distance is at the first pre-determined distance of operation phase conductor, carry out
Equipotential operation, after continue to move into carry out operation at operation phase conductor.
Specifically, when equipotential live line work personnel 6 are moved to distance at 5 first pre-determined distance of operation phase conductor, electricity are waited
Position operating personnel 6 notifies ground potential operator 7 to stop pushing auxiliary delivery vehicle 3, and equipotential live line work personnel 6 are turned by current potential
It moves stick contact and carries out potential transfer to operation phase conductor 5, into equipotential.Reinform ground potential operator 7 continue to press on it is auxiliary
Delivery vehicle 3 is helped to continue to move to 5 direction of operation phase conductor, until equipotential live line work personnel 6 mutually lead completely into operation
5 position of line, equipotential live line work personnel 6 step on to fitting from auxiliary delivery vehicle 3 or to carry out operation on operation phase conductor 5.It should
Process schematic as shown in figure 3, during passing in and out equipotential, the distance S1 of equipotential live line work personnel 6 to tower body 1 with to wait make
The sum of distance S2 of industry phase conductor 5 should ensure that the condition can ensure not less than 7.0m (not including the footprint distance of human body)
Switching impulse electric discharge does not occur during passing in and out equipotential for equipotential live line work personnel 6, it can be ensured that the people of equipotential live line work personnel 6
Body safety.
Wherein, the first pre-determined distance is 0.4-0.6m, and the first pre-determined distance is selected as 0.5m in the present embodiment, that is, works as equipotential
When operating personnel 6 is moved to distance at operation phase conductor 0.5m, equipotential live line work personnel 6 are contacted by electric potential transferring stick wait make
Industry phase conductor 5 carries out potential transfer, into equipotential.The front end of electric potential transferring stick is equipped with hook, and rear end is equipped with insulated conductor, electricity
The hook of the front end of bit transition stick hooks when carrying out equipotential for equipotential live line work personnel 6 realizes current potential to operation phase conductor 5
Transferring stick contact with to operation phase conductor 5, equipotential live line work personnel 6 are crossing Cheng Qian for electric potential transferring stick and institute into equipotential
The a full set of screening clothing connection of wearing is good.
The present invention provides a kind of charge and enters the compound equipotential device and method of cross-arm route of AC extra high voltage, equipotential
Operating personnel can safely and reliably be entered by using the device along compound cross-arm carries out operation to operation phase conductor, solves
Routine can not be provided due to not having the steel tower cross-arm of conventional tower in cross-arm route compound for AC extra high voltage in the prior art
Equipotential live line work personnel caused by the hanging point of delivery vehicle can not safely enter the problem of conducting wire carries out livewire work, make to exchange
The compound cross-arm line live-line work personnel of extra-high voltage have very high safety and convenience during entering equipotential, guarantee
The safety of AC extra high voltage compound cross-arm line live-line work carries out, and improves the safety of the compound cross-arm route of AC extra high voltage
Stability.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Finally, it should be noted that obviously, the above embodiment is merely an example for clearly illustrating the present invention, and simultaneously
The non-restriction to embodiment.For those of ordinary skill in the art, it can also do on the basis of the above description
Other various forms of variations or variation out.There is no necessity and possibility to exhaust all the enbodiments.And thus drawn
The obvious changes or variations that Shen goes out are still in the protection scope of this invention.
Claims (10)
1. a kind of electrification enters the compound equipotential device of cross-arm route of AC extra high voltage, which is characterized in that delivered including auxiliary
Tool and insulating bar,
The auxiliary delivery vehicle includes the seat plate that seat is ridden for equipotential live line work personnel, and the rear portion of the seat plate is equipped with to push and hang
The lower section of point, the seat plate is equipped with roller, and the roller is rotatably set on the seat plate, and the left and right sides of the seat plate is symmetrical
Setting is equipped with footrest connecting plate there are two footrest between the footrest and the seat plate, described in the footrest and seat plate warp
The connection of footrest connecting plate；
Wherein, the front end of the insulating bar is equipped with hook, and the insulating bar is hung by the hook with the promotion
Point connection, and the auxiliary delivery vehicle is pushed to move on the top of compound cross-arm along the axis direction of compound cross-arm.
2. electrification according to claim 1 enters the compound equipotential device of cross-arm route of AC extra high voltage, feature exists
In the upper surface of the seat plate is equipped with the handgrip gripped for equipotential live line work personnel, and the handgrip is set to the upper of the seat plate
The front on surface.
3. electrification according to claim 1 enters the compound equipotential device of cross-arm route of AC extra high voltage, feature exists
In the circumference roll surface in the middle part of the roller is sunken arcs face, the radian in the sunken arcs face and the raised arc of compound cross-arm
Degree matches.
4. electrification according to claim 3 enters the compound equipotential device of cross-arm route of AC extra high voltage, feature exists
It is equipped in, roller below the seat plate multiple, multiple rollers are set side by side along the front-rear direction of seat plate.
5. electrification according to claim 1 enters the compound equipotential device of cross-arm route of AC extra high voltage, feature exists
In the distance between two described footrests are less than the diameter of the compound cross-arm.
6. a kind of electrification enters the compound equipotential method of cross-arm route of AC extra high voltage, which comprises the steps of:
Step 1: the described in any item electrifications of claim 1-5 are entered the compound equipotential dress of cross-arm route of AC extra high voltage
On the compound cross-arm that the auxiliary delivery vehicle set is installed on where to operation phase conductor；
Step 2: riding and being seated on auxiliary delivery vehicle, and according to default speed after equipotential live line work personnel carry out safety precautions
The axis direction spent along compound cross-arm is moved to operation phase conductor；
Step 3: equipotential live line work personnel stop movement when distance is at the first pre-determined distance of operation phase conductor, carry out waiting electricity
Bit manipulation, after continue to move into carry out operation at operation phase conductor.
7. electrification according to claim 6 enters the compound equipotential method of cross-arm route of AC extra high voltage, feature exists
In the step 1 includes:
Equipotential live line work personnel and ground potential operator climbed again after good a full set of screening clothing is dressed on ground to tower body to
Compound cross-arm position where operation phase conductor；
Equipotential live line work personnel and/or ground potential operator will assist delivery vehicle to be installed on to answering where operation phase conductor
It closes on cross-arm.
8. electrification according to claim 6 enters the compound equipotential method of cross-arm route of AC extra high voltage, feature exists
In, in the step 2, the safety precautions of equipotential live line work personnel are as follows: equipotential live line work personnel fix backup protection rope
It is connected on tower body, and personal anti-falling safe band is located on compound cross-arm.
9. electrification according to claim 6 enters the compound equipotential method of cross-arm route of AC extra high voltage, feature exists
In in the step 3, when equipotential live line work personnel carry out equipotential operation, by electric potential transferring stick contact to operation phase conductor
Potential transfer is carried out, into equipotential.
10. electrification according to claim 6 enters the compound equipotential method of cross-arm route of AC extra high voltage, feature exists
In equipotential live line work personnel during passing in and out equipotential, mutually lead with to operation by the distance of equipotential live line work personnel to tower body
The sum of the distance of line is more than or equal to 7.0m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910511540.9A CN110265914B (en) | 2019-06-13 | 2019-06-13 | Device and method for entering alternating-current extra-high voltage composite cross arm line equipotential in live line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910511540.9A CN110265914B (en) | 2019-06-13 | 2019-06-13 | Device and method for entering alternating-current extra-high voltage composite cross arm line equipotential in live line |
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| CN110265914A true CN110265914A (en) | 2019-09-20 |
| CN110265914B CN110265914B (en) | 2022-10-04 |
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| CN201910511540.9A Active CN110265914B (en) | 2019-06-13 | 2019-06-13 | Device and method for entering alternating-current extra-high voltage composite cross arm line equipotential in live line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110783851A (en) * | 2019-11-08 | 2020-02-11 | 国网青海省电力公司海西供电公司 | Power transmission line outlet device |
| CN111668747A (en) * | 2020-05-08 | 2020-09-15 | 中国电力科学研究院有限公司 | Device and method for entering and exiting alternating-current extra-high voltage composite cross arm live working area |
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| CN108155597A (en) * | 2016-12-05 | 2018-06-12 | 岳池巨力创新科技有限公司 | Electrically propelled chair on line |
| CN206353674U (en) * | 2016-12-22 | 2017-07-25 | 国网河北省电力公司衡水供电分公司 | Vertical double bundle conductor outlet job platform |
| CN109802329A (en) * | 2019-01-31 | 2019-05-24 | 中国电力科学研究院有限公司 | Electrification enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110783851A (en) * | 2019-11-08 | 2020-02-11 | 国网青海省电力公司海西供电公司 | Power transmission line outlet device |
| CN110783851B (en) * | 2019-11-08 | 2022-03-25 | 国网青海省电力公司海西供电公司 | Power transmission line outlet device |
| CN111668747A (en) * | 2020-05-08 | 2020-09-15 | 中国电力科学研究院有限公司 | Device and method for entering and exiting alternating-current extra-high voltage composite cross arm live working area |
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